8. Subjects must have a coagulation profile (prothrombin time [PT], partial thromboplastin time [PTT]) not more than 2-times the upper limit of normal and no history of substantial non-iatrogenic bleeding diatheses. Use of anticoagulants within 5-days of the Ad5-SGE-REIC/Dkk-3 injections is limited to local use only (for control of central line patency).